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REPORT ON THE GEOLOGICAL DEPARTMENT. 



By Professors J. D. Whitney, N. S. Shaler, and W. M. Davis, 

 and Dr. J. E. Wolff. 



During the Academic year 1890-91, the following named 

 courses of instruction were given in the Geological, Geographical, 

 Petrographical, and Palgeontological Laboratories, and in the field, 

 by the instructors in the department. 



1. Geol. 4. A course in Elementary Geology, by N. S. Shaler. Two 

 lectures a week, with certain required reading ; attended by two hundred 

 and fifty-eight students. 



2. Geol. 4 a. A course of practical Geological Exercises in the labo- 

 ratory aud in the field, by T. W. Harris, assisted by R. S. Tarr and 

 J. B. Woodworth, designed especially for those who intend in subsequent 

 years to continue the study of Geology and Palaeontology. Attended 

 by one hundred and four students. 



3. Geol. 8. A course of Advanced Geology, two lectures a week, 

 by N. S. Shaler, together with assigned reading and field-work, conducted 

 by W. M. Davis and J. E. Wolff. Students in this course were required 

 during the winter to prepare theses on assigned subjects. Those only who 

 had passed a satisfactory examination in the elementary courses were 

 permitted to attend. Forty-three persons received this instruction. 



4. Geol. 9. A course in Structural Geology, by T. W. Harris. Two 

 lectures a week with required reading and theses. Six students took 

 this course. 



5. Geol. 14. A course in Palaeontology, by N. S. Shaler. Two 

 lectures a week, with laboratory work and theses. The course was 

 attended by eleven students. 



6. Geol. 20 6. A course in field-work, designed to afford special train- 

 ing in the processes of geological surveying, by N. S. Shaler, W. M. Davis, 

 J. E. Wolff, and T. W. Harris. Attended by sixteen students. 



7. Geol. 1. A course in Elementary Meteorology, by W. M. Davis. 

 First half-year. Two lectures a week, with recitations and laboratory 

 exercises ; attended by ninety students. 



